On Wednesday 30 July 2008 13:40:06 Marc Glisse wrote:
> > chown root:bin + chmod 4755 the relevant binaries
>
> In kde3 the relevant program to make suid to allow unlocking was
> kcheckpass, don't know if that changed in kde4. --

A brief test on my SunRay says that this is sufficient:

chown root:bin /opt/kde-4.0/lib/kde4/libexec/kcheckpass
chmod 4755 /opt/kde-4.0/lib/kde4/libexec/kcheckpass

On the SR, it blanks the screen and shows a dialog to unlock. On a local 
display, though, the screen is not blanked. That seems like a bug.

[ade]

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